The game will be played on a mobile device when the player is riding the train. The UI will be in the layout as presented on the right.

The player will be holding their device horizontally, while there is no precise control required for the game, and all permanent actions will require confirmation before conducted. It is possible for the player to play with one hand, as the player may not have both of their hand available during commute. Below are two ways the player might choose to hold their phone to play the game:

We also provide here a quick mockup of what it might looks like with the designed UI on an actual phone screen. Notice the UI will be scaled responsively to the screen ratio in the development, and we are aware that the image is cropped off here.

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